Operator’s Manual
Original Instructions (EN)
Register your product at www.Toro.com
Form No. 3351–990
Z557
Z Master
r
with 152cm TURBO FORCEt Side
Discharge Mower
Model No. 74246TE—250000001 & Up
2
W 2005 by The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
Contact us at www.Toro.com
All Rights Reserved
Printed in the USA
This spark ignition system complies with Canadian
ICES-002.
Ce système d’allumage par étincelle de véhicule est
conforme à la norme NMB-002 du Canada.
Keep this engine Owner’s Manual with your unit.
Should this engine Owner’s Manual become damaged
or illegible, replace immediately. Replacements may be
ordered through the engine manufacturer.
Contents
Page
Introduction 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safe Operation Practices for Ride-on (riding) Rotary
Lawnmower Machines 3. . . . . . . . . . . . . . . . . . .
Safe Operating Practices 3. . . . . . . . . . . . . . . . . . .
Toro Riding Mower Safety 5. . . . . . . . . . . . . . . . .
Sound Pressure 6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Sound Power 6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vibration 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Slope Chart 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety and Instruction Decals 9. . . . . . . . . . . . . . .
Gasoline and Oil 15. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Gasoline 15. . . . . . . . . . . . . . . . . . .
Using Stabilizer/Conditioner 15. . . . . . . . . . . . . . . .
Filling the Fuel Tank 15. . . . . . . . . . . . . . . . . . . . . .
Check Engine Oil Level 15. . . . . . . . . . . . . . . . . . . .
Operation 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using the Rollover Protection System (ROPS) 16. .
Think Safety First 17. . . . . . . . . . . . . . . . . . . . . . . .
Controls 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating the Parking Brake 18. . . . . . . . . . . . . . . .
Starting and Stopping the Engine 19. . . . . . . . . . . .
Operating the Power Take Off (PTO) 19. . . . . . . . .
The Safety Interlock System 20. . . . . . . . . . . . . . . .
Driving Forward or Backward 20. . . . . . . . . . . . . . .
Stopping the Machine 21. . . . . . . . . . . . . . . . . . . . .
Adjusting the Height-of-Cut 21. . . . . . . . . . . . . . . .
Using the Lift Assist Lever 22. . . . . . . . . . . . . . . . .
Adjusting the Anti-Scalp Rollers 22. . . . . . . . . . . . .
Adjusting the Flow Baffle 23. . . . . . . . . . . . . . . . . .
Positioning the Flow Baffle 23. . . . . . . . . . . . . . . . .
Positioning the Seat 24. . . . . . . . . . . . . . . . . . . . . . .
Unlatching the Seat 24. . . . . . . . . . . . . . . . . . . . . . .
Pushing the Machine by Hand 24. . . . . . . . . . . . . . .
Breaking in a New Machine 25. . . . . . . . . . . . . . . .
Using the Side Discharge 25. . . . . . . . . . . . . . . . . . .
Transporting Machines 26. . . . . . . . . . . . . . . . . . . .
Loading Machines 26. . . . . . . . . . . . . . . . . . . . . . . .
Page
Using the Z Stand 26. . . . . . . . . . . . . . . . . . . . . . . . .
Tips for Mowing Grass 28. . . . . . . . . . . . . . . . . . . .
Maintenance 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Maintenance Schedule 29. . . . . . . .
Servicing the Cutting Blades 30. . . . . . . . . . . . . . . .
Servicing the Air Cleaner 32. . . . . . . . . . . . . . . . . .
Servicing the Engine Oil 33. . . . . . . . . . . . . . . . . . .
Servicing the Spark Plug 35. . . . . . . . . . . . . . . . . . .
Servicing the Fuel Filter 35. . . . . . . . . . . . . . . . . . .
Servicing the Fuel Tank 36. . . . . . . . . . . . . . . . . . . .
Greasing and Lubrication 36. . . . . . . . . . . . . . . . . . .
Greasing the Spindles 37. . . . . . . . . . . . . . . . . . . . .
Cleaning the Cooling Systems 37. . . . . . . . . . . . . . .
Checking the Tire Pressure 38. . . . . . . . . . . . . . . . .
Checking the Wheel Hub Slotted Nut 38. . . . . . . . .
Adjusting the Caster Pivot Bearing 39. . . . . . . . . . .
Servicing the Hydraulic System 39. . . . . . . . . . . . .
Adjusting the Handle Neutral 41. . . . . . . . . . . . . . .
Setting the Hydraulic Pump Neutral 42. . . . . . . . . .
Adjusting the Tracking 43. . . . . . . . . . . . . . . . . . . .
Replacing the Pump Drive Belt 44. . . . . . . . . . . . . .
Adjusting the Parking Brake 44. . . . . . . . . . . . . . . .
Servicing the Fuse 44. . . . . . . . . . . . . . . . . . . . . . . .
Servicing the Battery 45. . . . . . . . . . . . . . . . . . . . . .
Leveling the Mower at Three Positions 47. . . . . . . .
Cleaning Under the Mower 49. . . . . . . . . . . . . . . . .
Inspecting the Belts 49. . . . . . . . . . . . . . . . . . . . . . .
Replacing the Mower Belt 49. . . . . . . . . . . . . . . . . .
Adjusting the Mower Belt Tension 50. . . . . . . . . . .
Replacing the Grass Deflector 51. . . . . . . . . . . . . . .
Cleaning and Storage 52. . . . . . . . . . . . . . . . . . . . . .
Wiring Diagram 53. . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 54. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
Introduction
Read this manual carefully to learn how to operate and
maintain your product properly. The information in this
manual can help you and others avoid injury and product
damage. Although Toro designs and produces safe
products, you are responsible for operating the product
properly and safely.
Whenever you need service, genuine Toro parts, or
additional information, contact an Authorized Service
Dealer or Toro Customer Service and have the model and
serial numbers of your product ready. Figure 1 illustrates
the location of the model and serial numbers on the
product.
1
m–3648
Figure 1
1. Location of the model and serial numbers
Write the product model and serial numbers in the space
below:
Model No.
Serial No.
This manual identifies potential hazards and has special
safety messages that help you and others avoid personal
injury and even death. Danger, Warning, and Caution are
signal words used to identify the level of hazard.
However, regardless of the hazard, be extremely careful.
Danger signals an extreme hazard that will cause serious
injury or death if you do not follow the recommended
precautions.
Warning signals a hazard that may cause serious injury or
death if you do not follow the recommended precautions.
Caution signals a hazard that may cause minor or
moderate injury if you do not follow the recommended
precautions.
This manual uses two other words to highlight
information. Important calls attention to special
mechanical information and Note: emphasizes general
information worthy of special attention.
Safety
Safe Operation Practices for
Ride-on (riding) Rotary
Lawnmower Machines
This machine meets or exceeds European Standards in
effect at the time of production. However, improper use
or maintenance by the operator or owner can result in
injury. To reduce the potential for injury, comply with
these safety instructions and always pay attention to
the safety alert symbol, which means CAUTION,
WARNING, or DANGER—“personal safety
instruction.” Failure to comply with the instruction
may result in personal injury or death.
Safe Operating Practices
The following instructions are from the CEN standard EN
836:1997.
This product is capable of amputating hands and feet and
throwing objects. Always follow all safety instructions to
avoid serious injury or death.
Training
• Read the instructions carefully. Be familiar with the
controls and the proper use of the equipment.
• Never allow children or people unfamiliar with these
instructions to use the lawnmower. Local regulations
can restrict the age of the operator.
• Never mow while people, especially children, or pets
are nearby.
• Keep in mind that the operator or user is responsible
for accidents or hazards occurring to other people or
their property.
• Do not carry passengers.
• All drivers should seek and obtain professional and
practical instruction. Such instruction should
emphasize:
– the need for care and concentration when working
with ride-on machines;
– control of a ride-on machine sliding on a slope will
not be regained by the application of the control
levers. The main reasons for loss of control are:
• insufficient wheel grip, especially on wet grass;
• being driven too fast;
• inadequate braking;
• the type of machine is unsuitable for its task;
4
• lack of awareness of the effect of ground
conditions, especially slopes;
• incorrect hitching and load distribution.
Preparation
• While mowing, always wear substantial footwear and
long trousers. Do not operate the equipment when
barefoot or wearing open sandals.
• Thoroughly inspect the area where the equipment is to
be used and remove all objects which may be thrown
by the machine.
• Warning—Fuel is highly flammable.
– Store fuel in containers specifically designed for
this purpose.
– Refuel outdoors only and do not smoke while
refuelling.
– Add fuel before starting the engine. Never remove
the cap of the fuel tank or add fuel while the
engine is running or when the engine is hot.
– If fuel is spilled, do not attempt to start the engine
but move the machine away from the area of
spillage and avoid creating any source of ignition
until fuel vapors have dissipated.
– Replace all fuel tanks and container caps securely.
• Replace faulty silencers.
• Before using, always visually inspect to see that the
blades, blade bolts and cutter assembly are not worn or
damaged. Replace worn or damaged blades and bolts
in sets to preserve balance.
• On multi-bladed machines, take care as rotating one
blade can cause other blades to rotate.
Operation
• Be alert, slow down and use caution when making
turns. Look behind and to the side before changing
directions.
• Do not operate the engine in a confined space where
dangerous carbon monoxide fumes can collect.
• Mow only in daylight or in good artificial light.
• Before attempting to start the engine, disengage all
blade attachment clutches and shift into neutral.
• Do not use on slopes greater than 15 degrees.
• Remember there is no such thing as a safe slope.
Travel on grass slopes requires particular care. To
guard against overturning:
– do not stop or start suddenly when on a slope;
– use slow speeds on slopes and during tight turns;
– stay alert for humps and hollows and other hidden
hazards;
• Use care when pulling loads or using heavy
equipment.
– Use only approved drawbar hitch points.
– Limit loads to those you can safely control.
– Do not turn sharply. Use care when reversing.
• Watch out for traffic when crossing or near roadways.
• Stop the blades rotating before crossing surfaces other
than grass.
• When using any attachments, never direct discharge of
material toward bystanders nor allow anyone near the
machine while in operation.
• Never operate the machine with damaged guards or
without safety protective devices in place.
• Do not change the engine governor settings or
overspeed the engine. Operating the engine at
excessive speed can increase the hazard of personal
injury.
• Before leaving the operator’s position:
– disengage the power take-off and lower the
attachments;
– change into neutral and set the parking brake;
– stop the engine and remove the key.
• Disengage drive to attachments, stop the engine, and
disconnect the spark plug wire(s) or remove the
ignition key
– before clearing blockages or unclogging chute;
– before checking, cleaning or working on the
lawnmower;
– after striking a foreign object. Inspect the
lawnmower for damage and make repairs before
restarting and operating the equipment;
– if the machine starts to vibrate abnormally (check
immediately).
• Disengage drive to attachments when transporting or
not in use.
• Stop the engine and disengage drive to attachment
– before refuelling;
– before removing the grass catcher;
– before making height adjustment unless adjustment
can be made from the operator’s position.
5
• Reduce the throttle setting during engine run-out and,
if the engine is provided with a shut-off valve, turn the
fuel off at the conclusion of mowing.
Maintenance and Storage
• Keep all nuts, bolts and screws tight to be sure the
equipment is in safe working condition.
• Never store the equipment with fuel in the tank inside
a building where fumes can reach an open flame or
spark.
• Allow the engine to cool before storing in any
enclosure.
• To reduce the fire hazard, keep the engine, silencer,
battery compartment and fuel storage area free of
grass, leaves, or excessive grease.
• Check the grass catcher frequently for wear or
deterioration.
• Replace worn or damaged parts for safety.
• If the fuel tank has to be drained, this should be done
outdoors.
• On multi-bladed machines, take care as rotating one
blade can cause other blades to rotate.
• When machine is to be parked, stored or left
unattended, lower the cutting means unless a positive
mechanical lock is used.
Toro Riding Mower Safety
The following list contains safety information specific to
Toro products or other safety information that you must
know that is not included in the CEN standard.
• Engine exhaust contains carbon monoxide, which is an
odorless, deadly poison that can kill you. Do not run
engine indoors or in an enclosed area.
• Keep hands, feet, hair and loose clothing away from
attachment discharge area, underside of mower and
any moving parts while engine is running.
• Do not touch equipment or attachment parts which
may be hot from operation. Allow to cool before
attempting to maintain, adjust, or service.
• Battery acid is poisonous and can cause burns. Avoid
contact with skin, eyes and clothing. Protect your face,
eyes, and clothing when working with a battery.
• Battery gases can explode. Keep cigarettes, sparks and
flames away from battery.
• Use only genuine Toro replacement parts to ensure that
original standards are maintained.
• Use only Toro-approved attachments. Warranty may
be voided if used with unapproved attachments.
Slope Operation
• Do not mow slopes greater than 15 degrees.
• Do not mow near drop–offs, ditches, steep banks or
water. Wheels dropping over edges can cause
rollovers, which may result in serious injury, death or
drowning.
• Do not mow slopes when grass is wet. Slippery
conditions reduce traction and could cause sliding and
loss of control.
• Do not make sudden turns or rapid speed changes.
• Use a walk behind mower and/or a hand trimmer near
drop–offs, ditches, steep banks or water.
• Reduce speed and use extreme caution on slopes.
• Remove or mark obstacles such as rocks, tree limbs,
etc. from the mowing area. Tall grass can hide
obstacles.
• Watch for ditches, holes, rocks, dips, and rises that
change the operating angle, as rough terrain could
overturn the machine.
• Avoid sudden starts when mowing uphill because the
mower may tip backwards.
• Be aware that loss of traction may occur going
downhill. Weight transfer to the front wheels may
cause drive wheels to slip and cause loss of braking
and steering.
• Always avoid sudden starting or stopping on a slope. If
tires lose traction, disengage the blades and proceed
slowly off the slope.
• Follow the manufacturer’s recommendations for wheel
weights or counterweights to improve stability.
• Use extreme care with grass catchers or other
attachments. These can change the stability of the
machine and cause loss of control.
6
Sound Pressure
This unit has a maximum sound pressure level at the
operator’s ear of 90 dBA, based on measurements of
identical machines per Directive 98/37/EC.
Sound Power
This unit has a guaranteed sound power level of 105 dBA,
based on measurements of identical machines per
Directive 2000/14/EC.
Vibration
This unit does not exceed a hand/arm vibration level of
2.15 m/s
2
, based on measurements of identical machines
per Directive 98/37/EC.
This unit does not exceed a whole body vibration level of
0.08 m/s
2
, based on measurements of identical machines
per Directive 98/37/EC.
7
Slope Chart
Fold along appropriate line
Align this edge with a vertical surface
(Tree, Building, Fence post, pole, etc.)
Example: Compare
slope with folded
edge.
8
9
Safety and Instruction Decals
Safety decals and instructions are easily visible to the operator and are located near any
area of potential danger. Replace any decal that is damaged or lost.
1-643339
58-6520
1. Grease
99-8939
1. Read the Operator’s
Manual.
2. Height of cut
3. Remove the ignition key
and read the instructions
before servicing or
performing maintenance.
98-1977
1. Entanglement hazard, belt—stay away from moving parts.
98-4387
1. Warning—wear hearing protection.
93-7010
1. Thrown object hazard—stay a safe distance from the machine.
2. Thrown object hazard, mower—keep the deflector in place.
3. Cutting/dismemberment of hand or foot—stay away from moving
parts.
93-7824
1. Thrown object hazard—stay a safe distance from the machine.
2. Thrown object hazard, mower—keep the deflector in place.
3. Cutting/dismemberment of hand or foot—stay away from moving
parts.
10
93-7828
1. Thrown object hazard, mower—do not operate the mower with
the deflector up or removed; keep the deflector in place.
2. Cutting/dismemberment hazard of hand or foot, mower
blade—stay away from moving parts.
Battery Symbols
Some or all of these symbols are on your battery.
1. Explosion hazard
2. No fire, open flames, or
smoking.
3. Caustic liquid/chemical
burn hazard
4. Wear eye protection
5. Read the Operator’s
Manual.
6. Keep bystanders a safe
distance from the battery.
7. Wear eye protection;
explosive gases can
cause blindness and other
injuries
8. Battery acid can cause
blindness or severe burns.
9. Flush eyes immediately
with water and get medical
help fast.
10. Contains lead; do not
discard.
107-1866
1. Sliding and loss of control hazard and tipping hazard,
drop–offs—do not operate the machine near drop–offs, slopes
greater than 15 degrees, or water; keep a safe distance from
drop–offs; do not turn sharply while traveling fast, instead, slow
down and turn gradually; if the roll bar is raised, wear the seat
belt; if the roll bar is lowered, do not wear the seat belt.
107-3069
1. Warning—there is no rollover protection when the roll bar is
down.
2. To avoid injury or death from a rollover accident, keep the roll
bar in the raised and locked position and wear the seat belt.
Lower the roll bar only when absolutely necessary; do not wear
the the seat belt when the roll bar is down.
3. Read the Operator’s Manual; drive slowly and carefully.
11
107-2131
1. Hydraulic oil level 2. Warning—do not touch the
hot surface.
107-3961
1. Height of cut in millimeters
107-3962
1. Height of cut in millimeters
107-3965
1. Engine—stop
2. Engine—run
3. Engine—start
4. Power take-off (PTO)
5. Fast
6. Continuous variable
setting
7. Slow
12
107-3968
1. Disengage
2. Engage
3. Parking brake
107-3969
1. Warning—read the Operator’s Manual.
2. Crushing hazard, mower—engage the parking brake, stop the
engine, and remove the ignition key before working under the
mower.
107-3978
1. Cutting/dismemberment hazard, fan and entanglement hazard,
belt—stay away from moving parts.
2. Before starting the engine, clean grass and debris from the
mower belt and pulleys, insert the ignition key, and start the
engine.
107-3982
1. Operator’s Manual location
107-3984
1. Read the instructions
before servicing or
performing maintenance.
2. Grease every
25 operating hours.
3. Engine
4. Check the tire pressure
every 25 operating hours.
5. Check the hydraulic oil
level every 25 operating
hours.
107-3993
1. Short, sparse grass and
dry conditions.
2. Bagging
3. Long, thick grass and wet
conditions
13
107-3996
1. Engine 2. Cutting blade
Manufacturers Mark
1. Indicates the blade is identified as a part from the original
machine manufacturer.
107-3963
1. Cutting/dismemberment
hazard, mower blade—do
not carry passengers and
keep bystanders away.
2. Cutting/dismemberment
hazard of hand or foot,
mower blade— remove the
ignition key and read the
instructions before servicing
or performing maintenance;
stay away from moving parts.
3. Thrown object hazard—keep
bystanders a safe distance
from the machine and keep
the deflector in place.
4. Before starting the engine,
clean grass and debris from
the mower belt and pulleys,
insert the ignition key, and
start the engine.
14
107-3964
1. Warning—do not use drugs
or alcohol.
2. Warning—read the
Operator’s Manual and
receive training.
3. Warning—engage the
parking brake, stop the
engine, and remove the
ignition key before leaving
the machine.
4. Warning—wear hearing
protection.
5. Read the Operator’s Manual.
107-8077
1. Fast
2. Slow
3. Neutral
4. Reverse
5. Warning—read the
Operator’s Manual.
6. Poison and caustic
liquid/chemical burn
hazard—keep children a safe
distance from the battery.
7. Explosion hazard—no fire,
open flames, or smoking;
avoid sparks.
8. To unlock the traction drive,
turn the by-pass valve 1
complete revolution
counterclockwise using a
5/8 inch or 16 mm wrench.
15
Gasoline and Oil
Recommended Gasoline
Use UNLEADED Regular Gasoline suitable for
automotive use (85 pump octane minimum). Leaded
regular gasoline may be used if unleaded regular is not
available.
Important Never use methanol, gasoline containing
methanol, or gasohol containing more than 10% ethanol
because the fuel system could be damaged. Do not mix oil
with gasoline.
Danger
In certain conditions, gasoline is extremely
flammable and highly explosive. A fire or
explosion from gasoline can burn you and others
and can damage property.
• Fill the fuel tank outdoors, in an open area,
when the engine is cold. Wipe up any gasoline
that spills.
• Never fill the fuel tank inside an enclosed
trailer.
• Do not fill the fuel tank completely full. Add
gasoline to the fuel tank until the level is 1/4 to
1/2 inch (6 to 13 mm) below the bottom of the
filler neck. This empty space in the tank allows
gasoline to expand.
• Never smoke when handling gasoline, and stay
away from an open flame or where gasoline
fumes may be ignited by a spark.
• Store gasoline in an approved container and
keep it out of the reach of children. Never buy
more than a 30-day supply of gasoline.
• Always place gasoline containers on the ground
away from your vehicle before filling.
• Do not fill gasoline containers inside a vehicle
or on a truck or trailer bed because interior
carpets or plastic truck bed liners may insulate
the container and slow the loss of any static
charge.
• When practical, remove gas–powered
equipment from the truck or trailer and refuel
the equipment with its wheels on the ground.
• If this is not possible, then refuel such
equipment on a truck or trailer from a portable
container, rather than from a gasoline
dispenser nozzle.
• If a gasoline dispenser nozzle must be used,
keep the nozzle in contact with the rim of the
fuel tank or container opening at all times until
fueling is complete.
• Do not operate without entire exhaust system in
place and in proper working condition.
Gasoline is harmful or fatal if swallowed.
Long–term exposure to vapors can cause serious
injury and illness.
• Avoid prolonged breathing of vapors.
• Keep face away from nozzle and gas tank or
conditioner opening.
• Keep gas away from eyes and skin.
Warning
Using Stabilizer/Conditioner
Use a fuel stabilizer/conditioner in the machine to provide
the following benefits:
• Keeps gasoline fresh during storage of 90 days or less.
For longer storage it is recommended that the fuel tank
be drained.
• Cleans the engine while it runs
• Eliminates gum-like varnish buildup in the fuel
system, which causes hard starting
Important Do not use fuel additives containing
methanol or ethanol.
Add the correct amount of gas stabilizer/conditioner to the
gas.
Note: A fuel stabilizer/conditioner is most effective when
mixed with fresh gasoline. To minimize the chance of
varnish deposits in the fuel system, use fuel stabilizer at
all times.
Filling the Fuel Tank
1. Shut the engine off and set the parking brake.
2. Clean around each fuel tank cap and remove the cap.
Add unleaded regular gasoline to both fuel tanks, until
the level is 1/4 to 1/2 inch (6 mm to 13 mm) below the
bottom of the filler neck. This space in the tank allows
gasoline to expand. Do not fill the fuel tanks
completely full.
3. Install fuel tank caps securely. Wipe up any gasoline
that may have spilled.
Check Engine Oil Level
Before you start the engine and use the machine, check
the oil level in the engine crankcase; refer to Checking Oil
Level, page 33.
16
Operation
Note: Determine the left and right sides of the machine
from the normal operating position.
Using the Rollover Protection
System (ROPS)
To avoid injury or death from rollover: keep the
roll bar in the raised locked position and use the
seat belt.
Ensure that the rear part of the seat is secured
with the seat latch.
Warning
There is no rollover protection when the roll bar
is in the down position.
• Lower the roll bar only when absolutely
necessary.
• Do not wear the seat belt when the roll bar is in
the down position.
• Drive slowly and carefully.
• Raise the roll bar as soon as clearance permits.
• Check carefully for overhead clearances (i.e.
branches, doorways, electrical wires) before
driving under any objects and do not contact
them.
Warning
Important Lower the roll bar only when absolutely
necessary.
1. To lower the roll bar, loosen the front handles (Fig.
NO TAG).
2. Remove the hairpin cotter pins and remove the two
pins (Fig. 3).
3. Lower the the roll bar to the down position. There are
two down positions. See Figure 2 for the positions.
4. Install the two pins and secure them with the hairpin
cotter pins (Fig. 3).
2
1
m–7447
Figure 2
1. Full down position 2. Down position with bagger
installed
Important Always use the seat belt with the roll bar in
the raised position.
Important Ensure that the rear part of the seat is
secured with the seat latch.
5. To raise the roll bar, remove the hairpin cotter pins and
remove the two pins (Fig. 3).
6. Raise the roll bar to the upright position and install the
two pins and secure them with the hairpin cotter pins
(Fig. 3).
2
1
3
4
m–7431
Figure 3
1. Roll bar
2. Raised position
3. Pin
4. Hairpin cotter pin
17
7. Tighten the front handles against the center roll bar
ends (Fig. 3).
m–6897
1
Figure 4
1. Front handle
Think Safety First
Please read all safety instructions and symbols in the
safety section. Knowing this information could help you
or bystanders avoid injury.
Danger
Operating on wet grass or steep slopes can cause
sliding and loss of control.
Wheels dropping over edges can cause rollovers,
which may result in serious injury, death or
drowning.
There is no rollover protection when the roll bar
is down.
Always keep the roll bar in the raised and locked
position and use the seat belt.
Read and follow the rollover protection
instructions and warnings.
To avoid loss of control and possibility of rollover:
• Do not operate near drop–offs or near water.
• Do not operate on slopes greater than
15 degrees.
• Reduce speed and use extreme caution on
slopes.
• Avoid sudden turns or rapid speed changes.
2
3
1
m–6478
Figure 5
1. Safe Zone—use the
Z Master here on slopes
less than 15 degrees or
flat areas.
2. Use walk behind mower
and/or hand trimmer near
drop–offs and water.
3. Water
The use of protective equipment for eyes, ears, feet, and
head is recommended.
This machine produces sound levels in excess of
85 dBA at the operators ear and can cause
hearing loss through extended periods of
exposure.
Wear hearing protection when operating this
machine.
Caution
Figure 6
1. Warning—wear hearing protection.
18
Controls
Become familiar with all the controls (Fig. 7 and 8) before
you start the engine and operate the machine.
m–6834
3
5
1
4
2
6
7
3
8
Figure 7
1. Motion control lever
2. Parking brake lever
3. Height-of-cut lever
4. Fuel cap (both sides)
5. Lift assist lever
6. Controls
7. Seat belt
8. Roll bar
6
1 4
2
3
5
m–6838
Figure 8
1. Ignition switch
2. Throttle
3. Choke
4. Power take off (PTO)
5. Hour meter
6. Gas cap
Using the Hour Meter
The hour meter records the number of hours the engine
has operated. It operates when the engine is running. Use
these times for scheduling regular maintenance.
Unlatch the seat and lift it up to view the hour meter
(Fig. 8).
Operating the Parking Brake
Always set the parking brake when you stop the machine
or leave it unattended.
Setting the Parking Brake
1. Move the motion control levers (Fig. 7) out to the
neutral lock position.
2. Pull back and up on the parking brake lever to set the
parking brake (Fig. 9). The parking brake lever should
stay firmly in the engaged position.
Parking brake may not hold machine parked on a
slope and could cause personal injury or property
damage.
Do not park on slopes unless wheels are chocked
or blocked
Warning
Releasing the Parking Brake
1. Push forward and down on the parking brake lever to
release the parking brake (Fig. 9). The parking brake is
disengaged and the lever will rest against the brake
stop.
1
2
m–4163
3
Figure 9
1. Parking brake-ON
2. Parking brake-OFF
3. Brake Stop
19
Starting and Stopping the
Engine
Starting the Engine
1. Sit on the seat and move the motion controls to neutral
locked position.
2. Set the parking brake; refer to Setting the Parking
Brake, page 18.
3. Move the PTO (power take off) switch to the off
position (Fig. 10).
4. Move the choke control to the on position before
starting a cold engine.
Note: A warm or hot engine may not require choking.
After engine starts, move choke control to run position.
5. Move the throttle control to the fast position before
starting a cold engine.
6. Turn the ignition key to start. When the engines starts,
release the key.
Important Do not engage starter for more than
10 seconds at a time. If engine fails to start allow
30 second cool-down period between attempts. Failure to
follow these instructions can burn out starter motor.
7. After the engine starts, move the choke to off (Fig. 11).
If the engine stalls or hesitates, move the choke back
to on for a few seconds. Then move the throttle lever
to desired setting. Repeat this as required.
Figure 10
1. PTO-On
2. PTO-Off
Figure 11
1. Choke–On
2. Choke–Off
1
m–2719
2
1
2
m–4201
Figure 12
1. Throttle–Fast
2. Throttle–Slow
Figure 13
1. Off
2. Run
3. Start
2
1
m–2720
1
2
3
M–4268
Stopping the Engine
1. Push the PTO to the off position (Fig. 12).
2. Move the throttle lever midway between the slow and
fast positions (Fig. 12).
3. Let the engine idle for 60 seconds (Fig. 13).
4. Turn the ignition key to the off position and remove
the key (Fig. 13).
5. Close the fuel shut off valve before transporting or
storing the machine (Fig. 44).
Important Make sure that the fuel shut off valve is
closed before transporting or storing the machine, as fuel
leakage may occur. Set the parking brake before
transporting. Make sure to remove the key as the fuel
pump may run and cause the battery to lose charge.
Children or bystanders may be injured if they
move or attempt to operate the tractor while it is
unattended.
Always remove the ignition key and set the
parking brake when leaving the machine
unattended, even if just for a few minutes.
Caution
Operating the Power Take Off
(PTO)
The power take off (PTO) switch engages and disengages
power to the electric clutch.
20
Engaging the PTO
1. While seated in the seat, release pressure on the
traction control levers and place in neutral.
2. Place the throttle to the fast position.
3. Pull out on the power take off (PTO) switch to engage
(Fig. 14).
1
2
m–4201
Figure 14
1. PTO—Off 2. PTO—On
Disengaging the PTO
1. To disengage, push the PTO switch to the off position
(Fig. 14).
The Safety Interlock System
If safety interlock switches are disconnected or
damaged the machine could operate unexpectedly
causing personal injury.
• Do not tamper with the interlock switches.
• Check the operation of the interlock switches
daily and replace any damaged switches before
operating the machine.
Caution
Understanding the Safety Interlock
System
The safety interlock system is designed to prevent the
engine from starting unless:
• You are sitting on the seat.
• The parking brake is engaged.
• The power take off (PTO) is disengaged.
• The motion control levers are in neutral locked
position.
The safety interlock system also is designed to stop the
engine when the traction controls are moved from the
locked position with the parking brake engaged or if you
rise from the seat when the PTO is on engaged.
Testing the Safety Interlock System
Test the safety interlock system before you use the
machine each time. If the safety system does not operate
as described below, have an Authorized Service Dealer
repair the safety system immediately.
1. Sitting on the seat, engage the parking brake and move
the PTO to on. Try starting the engine; the engine
should not crank.
2. Sitting on the seat, engage the parking brake and move
the PTO to off. Move either motion control lever (out
of neutral locked position). Try starting the engine; the
engine should not crank. Repeat for other control
lever.
3. Sitting on the seat, engage the parking brake, move the
PTO switch to off and move the motion control levers
to neutral lock position. Now start the engine. While
the engine is running, release the parking brake,
engage the PTO and rise slightly from the seat; the
engine should stop.
4. Sitting on the seat, engage the parking brake, move the
PTO switch to off and move the motion control levers
to neutral lock position. Now start the engine. While
the engine is running, center either motion control and
move (forward or reverse); the engine should stop.
Repeat for other motion control.
5. Sitting on the seat, disengage the parking brake, move
the PTO switch to off and move the motion control
levers to neutral lock position. Try starting the engine;
the engine should not crank.
Driving Forward or Backward
The throttle control regulates the engine speed as
measured in rpm (revolutions per minute). Place the
throttle control in the fast position for best performance.
Always operate in the full throttle position when mowing.
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